Document Type

Article

Publication Date

2007

Publication Title

Proceedings of the 17th Fall Workshop on Computational Geometry, 2007

Abstract

The problem of wireless localization asks to place and orient stations in the plane, each of which broadcasts a unique key within a fixed angular range, so that each point in the plane can determine whether it is inside or outside a given polygonal region. The primary goal is to minimize the number of stations. In this paper we establish a lower bound of ⌊2n/3⌋−1 stations for polygons in general position, for the case in which the placement of stations is restricted to polygon vertices, improving upon the existing ⌈n/2⌉ lower bound.

Comments

Author's pre-print. Final version available at http://researchweb.watson.ibm.com/people/l/lenchner/fwcg2007/.

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